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Discover how to craft a simple electric motor using everyday household items in this detailed, step-by-step tutorial. Follow along as we transform basic materials—like copper wire, an old CD, magnets, ...

The Franck–Hertz experiment was a pioneering physics observation announced in 1914 which explained that energy came in “packets” which we call “quanta”, marking the beginning of quantum physics.

What looks like magic is often just a rule of physics or chemistry doing its job. Invisible ink turning brown, colours swirling on milk, water climbing uphill — it all feels like sorcery until you ...